Philippe Aghion, Peter Howitt, and Joel Mokyr. Philippe Aghion, research associate Peter Howitt, and NBER board member Joel ...

Empirical research has revolutionized how we understand the global economic impacts of climate change. Recent empirical analyses have tested theoretical ideas, challenged prior estimates, and revealed ...

In addition to working papers, the NBER disseminates affiliates’ latest findings through a range of free periodicals — the NBER Reporter, the NBER Digest, the Bulletin on Health, and the Bulletin on ...

We investigate the returns to being a hub country by analyzing how transshipment activity shapes trade and supply chains. We show that most US imports---especially from smaller origin countries---are ...

Multiple lines of research aim to quantify the economic impacts of climate change, including through reduced-form and structural approaches. We show that the effects of climate change on economic ...

The NBER Board of Directors appointed 51 research associates, 49 of whom were promoted from faculty research fellows, at its September 2025 meeting. Two of the new appointees were former research ...

The Market Design Working Group, established in 2009 under the leadership of Susan Athey and Parag Pathak, is a preeminent research forum in the field of market design. The working group meets ...

We use natality microdata covering the universe of U.S. births for 2015-2021 and California births from 2015 through February 2023 to examine childbearing responses to the COVID-19 pandemic. We find ...

We develop a tractable model to study how AI and digital platforms impact the information ecosystem. News producers — who create truthful or untruthful content that becomes a public good or bad — earn ...

How does community rating distort relative prices for vertically differentiated plans in insurance markets? We show that common community-rating approaches can distort price differentials in the ...

We estimate the impact of education on voter turnout and partisanship using a regression discontinuity design based on school-entry cutoffs and exact date of birth. Drawing on nationwide ...

This brief survey reviews recent work on transportation in poor and middle-income countries. After reviewing a few key global facts and taking stock of the data available, it focuses on eight key ...